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Men are increasingly removing body hair for looks and cleanliness, and while hair loss can cause distress, it doesn't affect their self-esteem as much as it does in women.

Different monkey species in a lab showed varying levels of hair loss due to factors like type, sex, age, season, and living conditions.

Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.

The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.

5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.

Cyproterone acetate is used to treat conditions like prostate cancer, early puberty, excessive sexual drive, and female androgenization by blocking male sex hormones.

Pediatricians should advise sexually active teens on safe sex and STD prevention, and discuss contraceptive options and their side effects.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.

Cyproterone acetate is used to treat conditions like prostate cancer, early puberty, excessive sexual drive, and female androgenization by affecting androgen functions and suppressing certain hormones.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Lichen Planopilaris and Frontal Fibrosing Alopecia may help us understand hair follicle stem cell disorders and suggest new treatments.

Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Testosterone replacement may help postmenopausal women with sexual function and bone density, but suitable treatments are limited.

TSLP affects atopic dermatitis by increasing sebum and reducing fat through IL-4/IL-13 signaling.

The conclusion is that women are heavily affected by autoimmune skin diseases, face significant challenges, and need better research, treatments, and healthcare policies.

Baldness in men with prostate cancer is linked to higher levels of certain sex hormones, but chest hair density is not.

Hair transplantation helps women with hair loss; understanding and empathy lead to happy patients.

The conclusion is that proper evaluation and treatment of hair loss in midlife women is important, considering the emotional impact and potential for various treatments.

Removing the ATR gene in adult mice causes rapid aging and stem cell loss.

Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Some hair loss can be treated, especially in women due to nutrition, but some types remain untreatable.

The document concludes that future heart disease research should account for sex-specific differences to improve diagnosis, treatment, and outcomes.

Mutations in the PTPRQ gene cause significant balance issues in mice due to hair bundle defects in the inner ear.

Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.